| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A Stable 2012.1 nm Single-Longitudinal-Mode Tm:YAG Ceramic Laser with Volume Bragg Grating and Fabry–Perot Etalon |
| DAI Tong-Yu, DENG Yun, JU You-Lun, DUAN Xiao-Ming, YAO Bao-Quan**, WANG Yue-Zhu |
National Key Laboratory of Tunable Laser Technology, Harbin Institute of Technology, Harbin 150001
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| Cite this article: |
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DAI Tong-Yu, DENG Yun, JU You-Lun et al 2014 Chin. Phys. Lett. 31 084203 |
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Abstract We demonstrate a stable single longitudinal mode Tm:YAG ceramic laser operating at a single wavelength of 2012.1 nm. The single-longitudinal-mode Tm:YAG ceramic laser is obtained by employing volume Bragg grating as one cavity mirror and inserting a Fabry–Perot etalon into the laser cavity. A maximum single longitudinal mode output power of 165 mW with a slope efficiency of 6.6% is achieved under the pump power of 5.02 W. The laser has a beam quality of M2=1.18 at the maximum single longitudinal mode output power.
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